/*
* Copyright (c) 2025 Huawei Device Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including but not limited to the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to provide persons with access to the Software
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGE OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

import { callbackFunc } from '../../types/eventManager';

/**
 * @description H5事件管理器封装，包含注册和触发事件功能
 * @param element 触发事件的html元素
 */
export class EventManager {
  private _element: HTMLElement;
  private _events: {[eventName: string]: callbackFunc[]};

  constructor(element: HTMLElement) {
    this._element = element;
    this._events = {};
  }

  on(eventName: string, callback: callbackFunc) {
    if (!this._events[eventName]) {
      this._events[eventName] = [];
      this._element.addEventListener(eventName, (params: any) => {
        this._events[eventName].forEach((cb: callbackFunc) => cb(params.detail));
      });
    }
    this._events[eventName].push(callback);
  }

  emit(eventName: string, detail: any) {
    this._element.dispatchEvent(new CustomEvent(eventName, { detail }));
  }
}